49 lines
635 B
ArmAsm
49 lines
635 B
ArmAsm
.define .lar
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! use .mli2
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! 2-byte descriptor elements
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! any size array elements
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! parameters:
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! on stack
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! uses .mli2
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! no range checking
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! adapted from .aar and .los
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.lar:
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pop hl
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pop ix
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ex (sp),hl
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ld c,(ix+0)
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ld b,(ix+1)
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xor a
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sbc hl,bc
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ld c,(ix+4)
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ld b,(ix+5)
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ex de,hl
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call .mli2
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pop ix
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pop de
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add hl,de ! address of array element
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add hl,bc
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dec hl ! pointer to highest byte of element
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srl b
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rr c
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jr nc,1f
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ld a,c ! skip check to save runtime
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or b
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jr nz,.trp.z ! size was odd but <> 1
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ld c,(hl)
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push bc
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jp (ix)
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1: ld d,(hl)
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dec hl
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ld e,(hl)
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dec hl
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push de
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dec bc
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ld a,b
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or c
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jr nz,1b
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jp (ix)
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